28886390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{9661}}^1$

素因数の和:9704

約数の個数: 32

約数和(自身を含む): 58435776

約数和(自身を除く): 29549386

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 9661, 19322, 48305, 96610, 125593, 222203, 251186, 444406, 627965, 1111015, 1255930, 2222030, 2888639, 5777278, 14443195, 28886390]

約数ペア:

[(1, 28886390), (2, 14443195), (5, 5777278), (10, 2888639), (13, 2222030), (23, 1255930), (26, 1111015), (46, 627965), (65, 444406), (115, 251186), (130, 222203), (230, 125593), (299, 96610), (598, 48305), (1495, 19322), (2990, 9661)]